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KR960034327A - Composite pigment material - Google Patents

Composite pigment material Download PDF

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Publication number
KR960034327A
KR960034327A KR1019960005897A KR19960005897A KR960034327A KR 960034327 A KR960034327 A KR 960034327A KR 1019960005897 A KR1019960005897 A KR 1019960005897A KR 19960005897 A KR19960005897 A KR 19960005897A KR 960034327 A KR960034327 A KR 960034327A
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South Korea
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titanium dioxide
dispersion
particles
chemically different
cross
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KR1019960005897A
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Korean (ko)
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레슬리 아인슬레이 심프슨
카이스 로브슨
다비드 트레버 나이트
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존 데렉 잭슨
티옥사이드 그룹 서비스 리미티드
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Publication of KR960034327A publication Critical patent/KR960034327A/en

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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/0081—Composite particulate pigments or fillers, i.e. containing at least two solid phases, except those consisting of coated particles of one compound
    • C09C1/0084—Composite particulate pigments or fillers, i.e. containing at least two solid phases, except those consisting of coated particles of one compound containing titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/02—Ingredients treated with inorganic substances
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/36—Compounds of titanium
    • C09C1/3607—Titanium dioxide
    • C09C1/3653—Treatment with inorganic compounds
    • C09C1/3661—Coating
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/36—Compounds of titanium
    • C09C1/3607—Titanium dioxide
    • C09C1/3669—Treatment with low-molecular organic compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/36—Compounds of titanium
    • C09C1/3607—Titanium dioxide
    • C09C1/3676—Treatment with macro-molecular organic compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/66—Additives characterised by particle size
    • C09D7/68—Particle size between 100-1000 nm
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/60—Compounds characterised by their crystallite size
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
    • C01P2004/82—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases
    • C01P2004/84—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases one phase coated with the other
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/40—Electric properties
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Composite Materials (AREA)
  • Nanotechnology (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Paints Or Removers (AREA)

Abstract

1. 청구범위에 기재된 발명이 속한 기술분야1. Technical field to which the invention described in the claims belongs

본 발명은 복합안료물질에 관한 것으로서, 특히 티타늄 디옥사이드 입자 및 화학적으로 다른 입자의 복합물에 관한 것이다.FIELD OF THE INVENTION The present invention relates to composite pigment materials, and more particularly to titanium dioxide particles and chemically other particle composites.

2. 발명이 해결하려고 하는 기술적 과제2. Technical Challenges to be Solved by the Invention

본 발명의 목적은 티타늄 디옥사이드 주요입자가 효과적으로 분산되어 있는, 티타늄 디옥사이드부터의 복합안료를 제조하는 방법을 제공하는데 있다.It is an object of the present invention to provide a method for producing a composite pigment from titanium dioxide in which titanium dioxide main particles are effectively dispersed.

3. 발명의 해결방법의 요지3. The point of the solution of the invention

본 발명에 따른 구조화된 복합안료물질의 제조방법은 입자들이 표면전하를 갖는 pH값에서 비코팅된 티타늄 디옥사이드 입자들의 분산물을 형성시키는 공정과, 분산물이 50중량% 이상의 티타늄 디옥사이드를 함유할때까지 상기 분산물이 교차-흐름(CROSS-FLOW)여과공정을 거치도록 하는 공정을 포함한다. 농축된 분산물은 미립자 물질중 어느쪽도 표면전하의 부호가 역전되지 않도록 하는 조건하에서, 표면전하가 반대 부호를 갖는 화학적으로 다른 입자들의 분산물과 혼합되어진다. 상기 결과로 얻어진 복합안료물질에 있어서, 티타늄 디옥사이드 입자들은 상기 표면전하의 결과로서 화학적으로 다른 입자들과 서로 끌어당겨져 결합되어 있다.The process for preparing a structured composite pigment material according to the present invention comprises the steps of forming a dispersion of uncoated titanium dioxide particles at a pH value at which the particles have a surface charge and, when the dispersion contains at least 50% by weight of titanium dioxide And allowing the dispersion to undergo a cross-flow filtration process. The concentrated dispersion is mixed with a dispersion of chemically different particles whose surface charge has the opposite sign, under conditions such that the sign of the surface charge is not reversed in either of the particulate materials. In the resultant composite pigment material, the titanium dioxide particles are chemically attracted and bonded to each other as a result of the surface charge.

4. 발명의 중요한 용도4. Important Uses of the Invention

본 발명에 따른 구조화된 복합물은 등가량의 타타늄 디옥사이드를 함유하는 종래 페인트보다 고도의 불투명성을 지닌 페인트 및 비코팅된 티타늄 디옥사이드를 유사량 함유하는 종래 페인트보다 더 양호한 내구성을 갖는 페인트 제조하는데 사용될 수 있다.The structured composite according to the present invention can be used to produce paints with higher opacity than conventional paints containing equivalent amounts of titanium dioxide and paints with better durability than conventional paints containing similar amounts of uncoated titanium dioxide .

Description

복합안료물질Composite pigment material

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

Claims (23)

티타늄 디옥사이드의 입자들이 표면전하를 갖게 하는 pH값을 지닌, 안료성 티타늄 디옥사이드 입자들의 수성 분산물을 형성하는 공정과, 미립자 물질들중 어느 하나라도 그 표면전하의 부호가 역전되지 않게 하는 혼합조건하에서 티타늄 디옥사이드 입자상의 전하와 반대되는 부호의 표면전하를 갖는 화학적으로 다른 입자들의 분산물과 상기 분산물을 혼합시키는 공정, 및 상기 공정에 의해 티타늄 디옥사이드 입자들이 상기 표면전하의 결과로서 화학적으로 다른 입자들과 서로 끌여당겨져 결합되어 있는 복합안료물질을 형성시키는 공정을 포함하는 구조화된 복합안료물질의 제조방법에 있어서, 화학적으로 다른 입자들의 분산물과 혼합하기 전에 티타늄 디옥사이드를 코팅시키며, 분산물이 50중량% 이상이 티타늄 디옥사이드를 함유할때까지 티타늄 디옥사이드가 교차-흐름 여과공정을 거치게 하는 것을 특징으로 하는 구조화된 복합안료물질의 제조방법.A process for forming an aqueous dispersion of pigmentary titanium dioxide particles having a pH value at which particles of titanium dioxide have a surface charge and a process for forming an aqueous dispersion of particles of titanium dioxide under conditions of mixing such that any one of the particulate materials does not reverse the sign of its surface charge Mixing the dispersion with a dispersion of chemically different particles having a surface charge opposite the charge on the titanium dioxide particle and allowing the titanium dioxide particles to chemically react with other particles And forming a composite pigment material that is drawn together to form a combined composite pigment material, the method comprising coating titanium dioxide prior to mixing with a dispersion of chemically other particles, Lt; RTI ID = 0.0 >% < / RTI > Method for producing a structured composite pigment material which comprises subjecting the stream filtering step-dioxide intersect. 제1항에 있어서, 화학적으로 다른 입자들은 유기성 중합체 입자들을 함유하는 것을 특징으로 하는 제조방법.The method of claim 1 wherein chemically different particles comprise organic polymer particles. 제2항에 있어서, 중합체 입자들은 표면 음전하를 갖는 것을 특징으로 하는 제조방법.3. The method according to claim 2, wherein the polymer particles have a surface negative charge. 제1항에 있어서, 화학적으로 다른 입자들은 실리카, 실리케이트, 산화알루미늄, 수산화알루미늄, 설페이트, 카보네이트, 클레이, 왁스 또는 프로테인을 포함하는 것을 특징으로 하는 제조방법.The method according to claim 1, wherein the chemically different particles comprise silica, silicate, aluminum oxide, aluminum hydroxide, sulfate, carbonate, clay, wax or protein. 제1항에 있어서, 화학적으로 다른 입자들의 분산물은 분산제 없이 제조되는 것을 특징으로 하는 제조방법.The process according to claim 1, wherein the dispersion of chemically different particles is produced without a dispersant. 제1항에 있어서, 화학적으로 다른 입자들의 분산물은 적어도 20중량%의 고형물을 함유하는 것을 특징으로 하는 제조방법.The process according to claim 1, wherein the dispersion of chemically different particles comprises at least 20% by weight solids. 제1항에 있어서, 티타늄 디옥사이드는 0.1~0.4 마이크로미터의 평균 결정크기를 갖는 것을 특징으로 하는 제조방법.The method of claim 1, wherein the titanium dioxide has an average crystal size of 0.1 to 0.4 micrometers. 제1항에 있어서, 티타늄 디옥사이드는 분산물중에 평균 입자크기가 0.2~0.35마이크로미터인 금홍석 티타늄 디옥사이드인 것을 특징으로 하는 제조방법.The process according to claim 1, wherein the titanium dioxide is rutile titanium dioxide having an average particle size of 0.2 to 0.35 micrometers in the dispersion. 제1항에 있어서, 티티늄 디옥사이드의 분산물은 2.0~5.5범위의 pH값을 갖는 것을 특징으로 하는 제조방법.The process according to claim 1, wherein the dispersion of titanium dioxide has a pH value in the range of 2.0 to 5.5. 제1항에 있어서, 티타늄 디옥사이드의 분산물은 분산물중의 티타늄 디옥사이드에 대하여 0.05~0.4중량%의 농도로 분산제를 함유하는 것을 특징으로 하는 제조방법.The process according to claim 1, wherein the titanium dioxide dispersion contains a dispersant in a concentration of 0.05 to 0.4% by weight based on the titanium dioxide in the dispersion. 제1항에 있어서, 티타늄 디옥사이드의 분산물은 교차-흐름 여과공정전 40중량% 이하의 티타늄 디옥사이드 농도를 갖는 것을 특징으로 하는 제조방법.2. The process of claim 1, wherein the titanium dioxide dispersion has a titanium dioxide concentration of less than or equal to 40 weight percent prior to the cross-flow filtration process. 제1항에 있어서, 교차-흐름 여과공정중에 물 및 수용성 성분들은 압력만으로 멤브레인을 통과하여 흘러 들어가는 것을 특징으로 하는 제조방법.The process according to claim 1, wherein during the cross-flow filtration process, water and water-soluble components flow through the membrane only with pressure. 제1항에 있어서, 교차-흐름 여과공정은 다공성 세라믹 물질을 지지하는 금속 망사로 구성된 멤브레인을 활용하는 것을 특징으로 하는 제조방법.2. The method of claim 1, wherein the cross-flow filtration process utilizes a membrane comprised of a metal mesh to support the porous ceramic material. 제13항에 있어서, 멤브레인은 플랫 쉬트 또는 실린더형 관 내부에 나선형으로 감겨진 멤브레인인 것을 특징으로 하는 제조방법.14. The method according to claim 13, wherein the membrane is a spiral wound membrane inside a flat sheet or cylindrical tube. 제1항에 있어서, 교차-흐름 여과공정은 명목상 세공크기가 0.01~0.2마이크로미터인 멤브레인을 활용하는 것을 특징으로 하는 제조방법.The process according to claim 1, wherein the cross-flow filtration process utilizes a membrane having a nominal pore size of from 0.01 to 0.2 micrometers. 제1항에 있어서, 교차-흐름 요과공정은 0.1~1.0MPa의 트랜스멤브레인 압력에서 수행되는 것을 특징으로 하는 제조방법.The process according to claim 1, wherein the cross-flow process is carried out at a trans-membrane pressure of 0.1 to 1.0 MPa. 제1항에 있어서, 교차-흐름 여과공정은 초당 0.5미터 이상의 교차-흐름 점도를 사용하는 것을 특징으로 하는 제조방법.The method of claim 1, wherein the cross-flow filtration process uses a cross-flow viscosity of at least 0.5 meters per second. 제1항에 있어서, 교차-흐름 여과공정은 티타늄 디옥사이드의 분산물이 60~80중량%의 티타늄 디옥사이드를 함유할때까지 계속 진행되는 것을 특징으로 하는 제조방법.The process according to claim 1, wherein the cross-flow filtration process continues until the dispersion of titanium dioxide contains 60 to 80% by weight of titanium dioxide. 제1항에 있어서, 화학적으로 다른 입자들은 0.02~0.5마이크로미터 범위의 평균 입자크기를 갖는 것을 특징으로 하는 제조방법.The method of claim 1, wherein the chemically different particles have an average particle size in the range of 0.02 to 0.5 micrometers. 제1항에 있어서, 화학적으로 다른 입자들 및 티타늄 디옥사이드는 화학적으로 다른 입자들 대 티타늄 디옥사이드 입자의 부피비가 0.3:1~3.0:1범위내인 것을 특징으로 하는 제조방법.2. The method of claim 1, wherein the chemically different particles and titanium dioxide are chemically different in volume ratio of the particles to the titanium dioxide particle in the range of 0.3: 1 to 3.0: 1. 제1항에 있어서, 티타늄 디옥사이드 입자들의 분산물 및 화학적으로 다른 입자들의 분산물의 pH값은 두가지 분산물이 혼합될 경우 1pH단위 이하의 차이만 나는 것을 특징으로 하는 제조방법.The method of claim 1, wherein the pH value of the dispersion of titanium dioxide particles and the dispersion of chemically different particles is less than 1 pH unit when the two dispersions are mixed. 제1항에 있어서, 산을 동시에 첨가함에 의하여 혼합결과 얻어지는 혼합물의 pH가 4~%의 범위로 유지되는 동안, pH 4~5에서의 티타늄 디옥사이드의 분산물은 pH 6~9를 갖는 유기성 중합체 입자들의 분산물과 혼합되는 것을 특징으로 하는 제조방법.2. The method of claim 1, wherein the dispersion of titanium dioxide at pH 4 to 5 is a mixture of organic polymer particles having a pH of from 6 to 9, while the pH of the resulting mixture is maintained in the range of from 4% Lt; RTI ID = 0.0 > of: < / RTI > 제1항에 있어서, 티타늄 디옥사이드의 분산물 및 화학적으로 다른 입자들의 분산물은 3~5 범위의 pH에서 혼합되며, 그 결과로 얻어진 구조화된 복합안료의 분산물은 연속적으로 6~10 범위의 pH값으로 조정되는 것을 특징으로 하는 제조방법.The dispersion of titanium dioxide as claimed in claim 1, wherein the dispersion of titanium dioxide and the dispersion of chemically different particles are mixed at a pH in the range of 3 to 5 and the dispersion of the resulting structured composite pigment continuously has a pH in the range of 6 to 10 Lt; RTI ID = 0.0 > value. ≪ / RTI > ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
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